Method vtkBiDimensionalWidget

Interaction/Widgets/vtkBiDimensionalWidget.cxx:44–122

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vtkBiDimensionalWidget::vtkBiDimensionalWidget()
{
  this->ManagesCursor = 1;

  this->WidgetState = vtkBiDimensionalWidget::Start;
  this->CurrentHandle = 0;

  // Manage priorities, we want the handles to be lower priority
  if (this->Priority <= 0.0)
  {
    this->Priority = 0.01;
  }

  // The widgets for moving the end points. They observe this widget (i.e.,
  // this widget is the parent to the handles).
  this->Point1Widget = vtkHandleWidget::New();
  this->Point1Widget->SetPriority(this->Priority - 0.01);
  this->Point1Widget->SetParent(this);
  this->Point1Widget->ManagesCursorOff();

  this->Point2Widget = vtkHandleWidget::New();
  this->Point2Widget->SetPriority(this->Priority - 0.01);
  this->Point2Widget->SetParent(this);
  this->Point2Widget->ManagesCursorOff();

  this->Point3Widget = vtkHandleWidget::New();
  this->Point3Widget->SetPriority(this->Priority - 0.01);
  this->Point3Widget->SetParent(this);
  this->Point3Widget->ManagesCursorOff();

  this->Point4Widget = vtkHandleWidget::New();
  this->Point4Widget->SetPriority(this->Priority - 0.01);
  this->Point4Widget->SetParent(this);
  this->Point4Widget->ManagesCursorOff();

  // Set up the callbacks on the two handles
  this->BiDimensionalWidgetCallback1 = vtkBiDimensionalWidgetCallback::New();
  this->BiDimensionalWidgetCallback1->BiDimensionalWidget = this;
  this->Point1Widget->AddObserver(
    vtkCommand::StartInteractionEvent, this->BiDimensionalWidgetCallback1, this->Priority);
  this->Point1Widget->AddObserver(
    vtkCommand::EndInteractionEvent, this->BiDimensionalWidgetCallback1, this->Priority);

  this->BiDimensionalWidgetCallback2 = vtkBiDimensionalWidgetCallback::New();
  this->BiDimensionalWidgetCallback2->BiDimensionalWidget = this;
  this->Point2Widget->AddObserver(
    vtkCommand::StartInteractionEvent, this->BiDimensionalWidgetCallback2, this->Priority);
  this->Point2Widget->AddObserver(
    vtkCommand::EndInteractionEvent, this->BiDimensionalWidgetCallback2, this->Priority);

  this->BiDimensionalWidgetCallback3 = vtkBiDimensionalWidgetCallback::New();
  this->BiDimensionalWidgetCallback3->BiDimensionalWidget = this;
  this->Point3Widget->AddObserver(
    vtkCommand::StartInteractionEvent, this->BiDimensionalWidgetCallback3, this->Priority);
  this->Point3Widget->AddObserver(
    vtkCommand::EndInteractionEvent, this->BiDimensionalWidgetCallback3, this->Priority);

  this->BiDimensionalWidgetCallback4 = vtkBiDimensionalWidgetCallback::New();